General Information
Aligned Standards
This vetted resource aligns to concepts or skills in these benchmarks.Suggested Tutorials
Explore the defining attributes of trapezoids--a special type of quadrilateral--and classify them using diagrams in this interactive tutorial. You'll also learn how two different definitions for a trapezoid can change affect classifications of quadrilaterals.
This part 6 in a 6-part series. Click below to explore the other tutorials in the series.
Part 1: "Figuring Out" 2D Figures
Part 2: Exploring Relationships with Venn & Euler Diagrams
Part 3: Classifying Triangles by Angles Using Euler Diagrams
Part 4: Classifying Triangles by Sides & Angles Using Venn and Euler Diagrams
Learn how to classify quadrilaterals--including parallelograms, rectangles, rhombi, and squares--based on their defining attributes using diagrams in this interactive tutorial.
This is part 5 in a 6-part series. Click below to explore the other tutorials in the series.
Learn how triangles can be sorted and classified using side lengths and angle measures in this interactive tutorial.
This is the final tutorial in a four-part series. Click below to open the other tutorials in the series.
- Part 1: "Figuring Out" 2D Figures - Part 1
- Part 2 Exploring Relationships with Venn & Euler Diagrams
- Part 3: Classifying Triangles by Angles using Euler Diagrams
- Part 4: Classifying Triangles by Sides and Angles using Venn and Euler Diagrams
Learn to classify triangles and use Euler diagrams to show relationships, in this interactive tutorial.
This is part-three of four. Click below to open the other tutorials in the series.
- Part 1: "Figuring Out" 2D Figures - Part 1
- Part 2 Exploring Relationships with Venn & Euler Diagrams
- Part 3: Classifying Triangles by Angles using Euler Diagrams
- Part 4: Classifying Triangles by Sides and Angles using Venn and Euler Diagrams
Explore 2D (two-dimensional) figures and see how every 2D figure possesses unique attributes in this interactive tutorial.
This is part one of four. Click below to open the other tutorials in the series.